K-Dramas like Whale Star: The Gyeongseong Mermaid

12 shows with a similar feel

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  Island (2022)Also drama

  Evil took its first step to destroy the world. On the mysterious island of Jeju Island, the gateway to this, "Van," a mix of human and monster, "Won Mi-ho," the one in the center of fate, and "Johan," the one who exercises God’s power, come together. A strange, yet captivating, action-packed exorcism fantasy in which they fight evil, share the fate of saving the world, and defy their own...

  2 tracking it here
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  Mr. Sunshine (2018)Also drama

  Set in the early 1900s, this drama tells the story of a young man from Korea who grows up in the United States. When he returns to Korea as a US Marine Corps officer, he meets and falls in love with a noblewoman who is fighting for Korean independence. Their romance is complicated by social class and political ideology.

  5 tracking it here
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  Bloody Heart (2022)Also drama

  It is a fictional historical drama about the story of King Seonjong who ascends to the throne due to a rebellion, and Lee Tae who becomes the King after him.
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  Jumong (2006)Also drama

  Jumong  examines the life of Jumong Taewang, founder of the kingdom of Goguryeo. Few details have been found in the historical record about Jumong, so much of the series is fictionalized.

  1 tracking it here
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  Agent Kim Reactivated (2026)Also drama

  When an unassuming dad's daughter goes missing, he dusts off his old black-ops skills to track her down — only to attract the wrong kind of attention.

  ★ 5.0 from 9 members28 tracking it here
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  Empress Ki (2013)Also drama

  A woman born in Korea navigates her way through love, war, politics and national loyalties to become a powerful empress in China's Yuan dynasty.

  2 tracking it here
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  Mousetrap (2026)Also drama

  A reclusive writer wakes to find his identity stolen — and must ally with a ruthless loan shark to reclaim his life from a man known as "The Rat."

  14 tracking it here
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  The King: Eternal Monarch (2020)Also drama

  Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.

  5 tracking it here
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  Jewel in the Crown (2010)Also drama

  Set during the reign of King Sukjong in the Joseon dynasty, the story focuses on Dong Yi, a water maid who gains the trust of Queen Inhyeon and later the favour of the king when he is moved by her prayers for the health of the Queen during the court disputes caused by Jang Hee Bin. Dong Yi becomes a concubine with the rank of sook-bin and bears a son who will later become the 21st king of Joseon, Yeongjo.

  1 tracking it here
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  The Emperor: Owner of the Mask (2017)Also drama

  In the 1700's, Crown Prince Lee Sun fights against Pyunsoo hwe. Pyunsoo hwe is an organization that has accumulated power and wealth through privatizing water all over Joseon. Crown Prince Lee Sun becomes a hope for the people who suffers. Ga-Eun is the woman Crown Prince Lee Sun loves and she helps him grow as a ruler.
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  River Where the Moon Rises (2021)Also drama

  Born a princess and raised a soldier, Pyeong Gang is a woman with big dreams and limitless ambition. Determined to become the first Empress of Goguryeo, Pyeong Gang will stop at nothing to make her dream come true. Clever and level headed, Pyeong Gang is well aware of the obstacles that stand in her way and she’s more than capable of taking them on. With meticulous planning, she sets out to make her dream come true. But things take an unexpected turn, the day she meets On Dal.
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  My Roommate Is a Gumiho (2021)Also drama

  To become a human, a 999-year-old Gumiho, Shin Woo-yeo needs to fill his fox bead with human energy before he turns 1,000 years old. One day, a college girl, Lee Dam accidentally swallows Woo-yeo's fox bead.

  5 tracking it here